Creatinine hydrochloride, 2-Amino-1-methyl-2-imidazolin-4-one, 2-Amino-1-methyl-1,5-dihydro-imidazol-4-on,Hydrochlorid, 2-amino-1-methyl-2-imidazolin-4-one hydrochloride, 2-amino-1-methyl-1,5-dihydro-imidazol-4-one,hydrochloride, 2-imino-1-methylimidazolidin-4-one hydrochloride, CREATININE HCL